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Cheap flights from Portland to Cambodia from $1,143

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Cambodia departing on 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Cambodia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:50 pm - 9:50 am
PDX
-
SAI
45h 00m
2 stops
Multiple Airlines Logo
10:45 am - 12:22 pm
SAI
-
PDX
40h 37m
2 stops
$1,143Multiple Airlines
Wed, Dec 2 - Tue, Jan 19
Multiple Airlines Logo
5:36 pm - 3:10 pm
PDX
-
SAI
55h 34m
2 stops
Multiple Airlines Logo
4:45 pm - 10:50 am
SAI
-
PDX
33h 05m
2 stops
$1,361Multiple Airlines
Tue, Aug 18 - Tue, Dec 15
Multiple Airlines Logo
1:53 pm - 9:40 am
PDX
-
SAI
29h 47m
2 stops
Multiple Airlines Logo
4:00 pm - 1:50 pm
SAI
-
PDX
35h 50m
2 stops
$1,379Multiple Airlines
Sun, Sep 6 - Sun, Sep 13
Multiple Airlines Logo
2:34 pm - 3:55 pm
PDX
-
SAI
35h 21m
2 stops
Multiple Airlines Logo
4:45 pm - 1:30 pm
SAI
-
PDX
35h 45m
2 stops
$1,401Multiple Airlines
Fri, Oct 30 - Sat, Nov 14
Multiple Airlines Logo
7:00 am - 9:50 am
PDX
-
SAI
35h 50m
3 stops
Multiple Airlines Logo
4:45 pm - 10:50 am
SAI
-
PDX
33h 05m
2 stops
$1,409Multiple Airlines
Wed, Dec 2 - Tue, Jan 19
Multiple Airlines Logo
9:32 pm - 5:10 pm
PDX
-
SAI
29h 38m
3 stops
Multiple Airlines Logo
7:35 pm - 1:25 pm
SAI
-
PDX
31h 50m
3 stops
$1,416Multiple Airlines
Sun, Sep 6 - Sun, Sep 13
Multiple Airlines Logo
5:30 pm - 1:15 pm
PDX
-
SAI
29h 45m
3 stops
Multiple Airlines Logo
1:20 pm - 10:33 pm
SAI
-
PDX
24h 13m
3 stops
$1,435Multiple Airlines
Tue, Aug 18 - Tue, Dec 15
Multiple Airlines Logo
5:35 pm - 7:05 pm
PDX
-
SAI
34h 30m
3 stops
Multiple Airlines Logo
1:20 pm - 9:13 pm
SAI
-
PDX
22h 53m
3 stops
$1,448Multiple Airlines
Wed, Dec 2 - Tue, Jan 19
Multiple Airlines Logo
9:45 pm - 6:20 pm
PDX
-
SAI
54h 35m
2 stops
Multiple Airlines Logo
1:20 pm - 9:13 pm
SAI
-
PDX
22h 53m
3 stops
$1,467Multiple Airlines
Tue, Aug 18 - Tue, Dec 15
Multiple Airlines Logo
9:33 pm - 9:15 am
PDX
-
SAI
45h 42m
3 stops
Multiple Airlines Logo
1:20 pm - 9:55 pm
SAI
-
PDX
23h 35m
3 stops
$1,470Multiple Airlines
Fri, Oct 30 - Sat, Nov 14

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momondo Fare Finder

 
Customize your flight search to find flights from Portland to Cambodia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 10, 2026.
Use the filters below to find and compare flights from Portland to Cambodia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Wed 12/2

9:50 pm-9:50 am

2 stops45h 00m

Siem Reap–Angkor Intl

Tue 1/19

10:45 am-12:22 pm

2 stops40h 37m

$1,143

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Tue 8/18

5:36 pm-3:10 pm

2 stops55h 34m

Siem Reap–Angkor Intl

Tue 12/15

4:45 pm-10:50 am

2 stops33h 05m

$1,361

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Sun 9/6

1:53 pm-9:40 am

2 stops29h 47m

Siem Reap–Angkor Intl

Sun 9/13

4:00 pm-1:50 pm

2 stops35h 50m

$1,379

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Fri 10/30

2:34 pm-3:55 pm

2 stops35h 21m

Siem Reap–Angkor Intl

Sat 11/14

4:45 pm-1:30 pm

2 stops35h 45m

$1,401

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Wed 12/2

7:00 am-9:50 am

3 stops35h 50m

Siem Reap–Angkor Intl

Tue 1/19

4:45 pm-10:50 am

2 stops33h 05m

$1,409

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Sun 9/6

9:32 pm-5:10 pm

3 stops29h 38m

Siem Reap–Angkor Intl

Sun 9/13

7:35 pm-1:25 pm

3 stops31h 50m

$1,416
Quickest round-trip

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Tue 8/18

5:30 pm-1:15 pm

3 stops29h 45m

Siem Reap–Angkor Intl

Tue 12/15

1:20 pm-10:33 pm

3 stops24h 13m

$1,435

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Wed 12/2

5:35 pm-7:05 pm

3 stops34h 30m

Siem Reap–Angkor Intl

Tue 1/19

1:20 pm-9:13 pm

3 stops22h 53m

$1,448

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Tue 8/18

9:45 pm-6:20 pm

2 stops54h 35m

Siem Reap–Angkor Intl

Tue 12/15

1:20 pm-9:13 pm

3 stops22h 53m

$1,467

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Fri 10/30

9:33 pm-9:15 am

3 stops45h 42m

Siem Reap–Angkor Intl

Sat 11/14

1:20 pm-9:55 pm

3 stops23h 35m

$1,470

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cambodia from

How to get the cheapest flight ticket from Portland to Cambodia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Cambodia?

In general, September is the cheapest month to fly from Portland to Cambodia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of March is another great option to travel to Cambodia, with average flight prices from Portland averaging around $546.

Cheap Portland to Cambodia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Cambodia

Fastest flight time

29h 45m

Direct flights

None
The fastest flight from Portland to Cambodia takes 29h 45m
There are no direct flights from Portland to Cambodia. There are no popular flight routes from Portland to Cambodia.
Search flight deals

Frequently asked questions about flying from Portland to Cambodia

  • When did momondo last update prices for flights from Portland Airport to Cambodia?

    Prices for flights from Portland Airport to Cambodia were last updated today.

  • How old do you have to be to fly from Portland Airport to Cambodia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Cambodia.

  • What documentation or ID do you need to fly to Cambodia?

    The required travel and health documents for your Cambodia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cambodia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portland to Cambodia

Compare and see reviews for airlines that fly from Portland to Cambodia with momondo
Airline
Rating
Free Cancellation
Price
China EasternPriceFrom $778Free CancellationRating
7.3
223 reviews
Search China Eastern flights
DeltaPriceFrom $819Free CancellationRating
7.9
8,400 reviews
Search Delta flights
Cathay PacificPriceFrom $972Free CancellationRating
7.6
1,371 reviews
Search Cathay Pacific flights
EVA AirPriceFrom $1,104Free CancellationRating
8.5
1,470 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Cambodia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Cambodia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Cambodia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Cambodia from Portland with this policy.

How can momondo help me find flights from Portland to Cambodia?

momondo provides multiple filters to help you find the best flight to Cambodia from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Cambodia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Cambodia from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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